Developer Tools

Format, encode, decode and debug with the daily driver dev utilities.

60 free tools in this collection, and every single one runs instantly in your browser. No sign-up, no uploads, nothing to install.

Browse 60 tools
Developer Tools 60 tools
02/TOOLS

Developer Tools Collection

01 DEVELOPER TOOLS
JSON Formatter

Instantly format complex, minified JSON data into a clean, indented, and readable tree structure for easy debugging.

JSON Formatter

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02 DEVELOPER TOOLS
JSON Minifier

Remove all unnecessary whitespace and line breaks from JSON files to reduce size and speed up web loading.

JSON Minifier

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03 DEVELOPER TOOLS
JSON Validator

Instantly scan your JSON data for syntax errors, validating its structure and highlighting exact error locations.

JSON Validator

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04 DEVELOPER TOOLS
JSON to CSV Converter

Flatten nested JSON data and convert it into clean CSV format for easy use in Excel and databases.

JSON to CSV Converter

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05 DEVELOPER TOOLS
CSV to JSON Converter

Transform tabular CSV data into structured JSON format, ready for use in modern web APIs and applications.

CSV to JSON Converter

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06 DEVELOPER TOOLS
JSON to XML Converter

Convert JSON data structures into XML tags to ensure compatibility with legacy systems and SOAP web services.

JSON to XML Converter

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07 DEVELOPER TOOLS
XML Formatter

Clean up and indent compressed XML files to make them highly readable and easier to debug.

XML Formatter

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08 DEVELOPER TOOLS
JSON Key Sorter

Alphabetically or custom-sort keys within JSON objects to standardize your data structure and improve readability.

JSON Key Sorter

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09 DEVELOPER TOOLS
HTML Formatter

Automatically indent and clean up messy HTML code to make it structured, readable, and easy to maintain.

HTML Formatter

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10 DEVELOPER TOOLS
HTML Minifier

Strip unnecessary whitespace, comments, and line breaks from HTML to reduce file size and improve load times.

HTML Minifier

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11 DEVELOPER TOOLS
HTML Entity Encoder

Convert special characters in your text into safe HTML entities to prevent rendering issues and XSS attacks.

HTML Entity Encoder

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12 DEVELOPER TOOLS
HTML Entity Decoder

Instantly convert HTML entities back into their original, readable special characters for proper text display.

HTML Entity Decoder

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13 DEVELOPER TOOLS
URL Encoder

Convert special characters in URLs into percent-encoded format to ensure safe transmission over the internet.

URL Encoder

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14 DEVELOPER TOOLS
URL Decoder

Decode percent-encoded characters in URLs back to their original readable format for proper link handling.

URL Decoder

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15 DEVELOPER TOOLS
URL Parser

Break down any URL into its core components like protocol, host, path, and query parameters instantly.

URL Parser

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16 DEVELOPER TOOLS
Query String Parser

Parse complex URL query strings into structured, readable key-value pairs for easy data extraction and debugging.

Query String Parser

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17 DEVELOPER TOOLS
Base64 Encoder

Instantly encode plain text or binary data into Base64 format for safe transmission over text-based protocols.

Base64 Encoder

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18 DEVELOPER TOOLS
Base64 Decoder

Quickly decode Base64 encoded strings back into their original plain text or binary data format.

Base64 Decoder

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19 DEVELOPER TOOLS
JWT Decoder

Decode JSON Web Tokens to instantly view and verify their header, payload, and signature data.

JWT Decoder

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20 DEVELOPER TOOLS
UUID Generator

Generate unique, RFC-compliant Universally Unique Identifiers instantly for database keys, session IDs, and component tracking.

UUID Generator

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21 DEVELOPER TOOLS
ULID Generator

Create universally unique, lexicographically sortable identifiers that combine timestamps and randomness for modern database primary keys.

ULID Generator

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22 DEVELOPER TOOLS
Slug Generator

Instantly convert text strings into clean, SEO-friendly URL slugs by removing special characters and spaces.

Slug Generator

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23 DEVELOPER TOOLS
Regex Tester

Test, debug, and visualize regular expressions in real time with highlighted matches and detailed explanation tools.

Regex Tester

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24 DEVELOPER TOOLS
Markdown to HTML

Instantly convert Markdown formatted text into clean, semantic HTML code ready for web publishing.

Markdown to HTML

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25 DEVELOPER TOOLS
Markdown Previewer

Render Markdown text into formatted HTML in real time to instantly preview how your content will look.

Markdown Previewer

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26 DEVELOPER TOOLS
JavaScript Minifier

Compress JavaScript code by removing whitespace and comments to reduce file size and boost page load speed.

JavaScript Minifier

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27 DEVELOPER TOOLS
SQL Formatter

Automatically format and indent messy SQL queries to make them clean, readable, and easy to debug.

SQL Formatter

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28 DEVELOPER TOOLS
Number Base Converter

Instantly convert numbers between binary, decimal, octal, and hexadecimal bases for programming and networking tasks.

Number Base Converter

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29 DEVELOPER TOOLS
Binary to Decimal

Quickly and accurately convert binary number strings into standard decimal format for computational tasks.

Binary to Decimal

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30 DEVELOPER TOOLS
Decimal to Binary

Instantly convert standard decimal numbers into binary format for low-level programming and hardware configuration.

Decimal to Binary

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31 DEVELOPER TOOLS
Hex to Decimal

Convert hexadecimal strings into standard decimal numbers instantly for memory addressing and color code calculations.

Hex to Decimal

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32 DEVELOPER TOOLS
Decimal to Hex

Instantly convert standard decimal numbers into hexadecimal format for programming, networking, and color coding tasks.

Decimal to Hex

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33 DEVELOPER TOOLS
Text to Binary

Convert plain text characters into their corresponding binary byte representations for data encoding tasks.

Text to Binary

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34 DEVELOPER TOOLS
Binary to Text

Decode binary byte strings back into readable plain text characters instantly and accurately.

Binary to Text

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35 DEVELOPER TOOLS
Text to Hex

Convert plain text strings into hexadecimal byte representations for data encoding and debugging purposes.

Text to Hex

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36 DEVELOPER TOOLS
Hex to Text

Decode hexadecimal byte strings back into readable plain text characters quickly and accurately.

Hex to Text

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37 DEVELOPER TOOLS
ASCII Code Converter

Instantly convert characters to their ASCII decimal codes and vice versa for text encoding tasks.

ASCII Code Converter

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38 DEVELOPER TOOLS
HTTP Status Code Lookup

Quickly search and view detailed explanations for any HTTP status code to debug web requests.

HTTP Status Code Lookup

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39 DEVELOPER TOOLS
MIME Type Lookup

Instantly find the correct MIME type for any file extension to ensure proper web content delivery.

MIME Type Lookup

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40 DEVELOPER TOOLS
User Agent Parser

Parse raw user agent strings to extract detailed browser, OS, and device information instantly.

User Agent Parser

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41 DEVELOPER TOOLS
String Escaper

Automatically escape special characters in strings to ensure safe execution in code and prevent injection attacks.

String Escaper

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42 DEVELOPER TOOLS
String Unescaper

Instantly remove escape characters from strings to restore them to their original, readable plain text format.

String Unescaper

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43 DEVELOPER TOOLS
Mock Data Generator

Generate realistic, randomized mock data for testing APIs, databases, and frontend applications without real user data.

Mock Data Generator

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44 DEVELOPER TOOLS
Random JSON Generator

Instantly create complex, randomized JSON structures based on your schema for API testing and development.

Random JSON Generator

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45 DEVELOPER TOOLS
CSV Viewer

Upload and view CSV files in a clean, interactive table format for quick data inspection and sorting.

CSV Viewer

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46 DEVELOPER TOOLS
Markdown Table Generator

Quickly generate perfectly aligned Markdown tables from raw data to format documentation and README files easily.

Markdown Table Generator

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47 DEVELOPER TOOLS
HTML Table Generator

Instantly convert raw data into clean, responsive HTML tables with customizable styling for web pages.

HTML Table Generator

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48 DEVELOPER TOOLS
Placeholder API Response

Generate mock API JSON responses with customizable delays and status codes for frontend testing and development.

Placeholder API Response

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49 DEVELOPER TOOLS
JS Object to JSON

Instantly convert JavaScript object literals into valid, formatted JSON strings for data interchange and API calls.

JS Object to JSON

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50 DEVELOPER TOOLS
JSON to TypeScript

Generate TypeScript interfaces and types directly from JSON data to ensure strict type safety in your code.

JSON to TypeScript

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51 DEVELOPER TOOLS
HTML Preview

Instantly render and preview raw HTML code in a live sandbox to see how it looks in a browser.

HTML Preview

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52 DEVELOPER TOOLS
Code Diff Checker

Compare two blocks of code side-by-side to instantly highlight added, removed, or changed lines.

Code Diff Checker

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53 DEVELOPER TOOLS
Byte Size Converter

Instantly convert data sizes between bytes, kilobytes, megabytes, and gigabytes for storage and bandwidth calculations.

Byte Size Converter

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54 DEVELOPER TOOLS
Roman Numeral Converter

Convert standard numbers to Roman numerals and vice versa for historical, educational, or design purposes.

Roman Numeral Converter

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55 DEVELOPER TOOLS
Unicode Inspector

Inspect and identify every Unicode character in your text, revealing hidden symbols and exact code points.

Unicode Inspector

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56 DEVELOPER TOOLS
ASCII Art Text

Convert plain text into stylized ASCII art banners using various fonts for retro terminal aesthetics.

ASCII Art Text

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57 DEVELOPER TOOLS
Cron Expression Explainer

Parse complex cron expressions into plain English to easily understand and schedule automated tasks.

Cron Expression Explainer

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58 DEVELOPER TOOLS
Chmod Calculator

Calculate Linux file permissions visually and generate the exact numeric chmod command for secure server management.

Chmod Calculator

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59 DEVELOPER TOOLS
Git Command Helper

Search and generate the correct Git commands for branching, merging, and resolving repository conflicts easily.

Git Command Helper

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60 DEVELOPER TOOLS
JSON Path Finder

Extract specific data from complex JSON structures using JSONPath expressions to navigate and filter nested objects.

JSON Path Finder

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CSS Tools

Visual generators that write production ready CSS for you.

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